Re: XCode 2.4 and 32/64-bit universal binaries
Re: XCode 2.4 and 32/64-bit universal binaries
- Subject: Re: XCode 2.4 and 32/64-bit universal binaries
- From: Rustam Muginov <email@hidden>
- Date: Thu, 17 Aug 2006 17:45:49 +0400
Floating-point registers are the same size despite of CPU is 32-bit or
64-bit.
Even ancient 8087 FPU had 80-bit floating-point registers, although
8086 was a 16-bit CPU
It is integer calculation which could benefit from 32-bit to 64-bit
transition.
--
Sincerely,
Rustam Muginov
On Aug 17, 2006, at 5:36 PM, Artemiy Pavlov wrote:
Hello Marc, and thanks for your reply!
Well, there may be something I do not understand.
As I know, if I have a double float number, it will take two memory
registers for a 32-bit CPU to calculate and 1 register on a 64-bit.
Does this mean that my app will run faster on a 64-bit CPU, and do I
have to compile it for a 64-bit CPU target or the 32-bit one will work
like this too?
Sorry if I wrote some rubbish ;-)
Artemiy.
On 17 Aug 2006, at 1:55 PM, Marc Van Olmen wrote:
The 64 bit support in Tiger is limited, you can't call coreAudio
API's from a 64-bit app in Tiger.
The applications you can build are purely Unix apps (cmd line
tools/daemons)
At least that's what I understood from the info available online and
the new info about Leopard.
cheers
marc
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